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PolicyFactory (OWASP Java HTML Sanitizer)
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org.owasp.html</FONT>
<BR>
Class PolicyFactory</H2>
<PRE>
java.lang.Object
  <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.owasp.html.PolicyFactory</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>com.google.common.base.Function&lt;<A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A>,<A HREF="../../../org/owasp/html/HtmlSanitizer.Policy.html" title="interface in org.owasp.html">HtmlSanitizer.Policy</A>&gt;</DD>
</DL>
<HR>
<DL>
<DT><PRE><FONT SIZE="-1">@ThreadSafe
@Immutable
</FONT>public final class <A HREF="../../../src-html/org/owasp/html/PolicyFactory.html#line.53"><B>PolicyFactory</B></A><DT>extends java.lang.Object<DT>implements com.google.common.base.Function&lt;<A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A>,<A HREF="../../../org/owasp/html/HtmlSanitizer.Policy.html" title="interface in org.owasp.html">HtmlSanitizer.Policy</A>&gt;</DL>
</PRE>

<P>
A factory that can be used to link a sanitizer to an output receiver and that
 provides a convenient <code><A HREF="../../../org/owasp/html/PolicyFactory.html#sanitize(java.lang.String)"><CODE>sanitize</CODE></A></code>
 method and a <code><A HREF="../../../org/owasp/html/PolicyFactory.html#and(org.owasp.html.PolicyFactory)"><CODE>and</CODE></A></code> method to compose
 policies.
<P>

<P>
<DL>
<DT><B>Author:</B></DT>
  <DD>Mike Samuel <mikesamuel@gmail.com></DD>
</DL>
<HR>

<P>

<!-- ========== METHOD SUMMARY =========== -->

<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Method Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../org/owasp/html/PolicyFactory.html" title="class in org.owasp.html">PolicyFactory</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/owasp/html/PolicyFactory.html#and(org.owasp.html.PolicyFactory)">and</A></B>(<A HREF="../../../org/owasp/html/PolicyFactory.html" title="class in org.owasp.html">PolicyFactory</A>&nbsp;f)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Produces a factory that allows the union of the grants, and intersects
 policies where they overlap on a particular granted attribute or element
 name.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../org/owasp/html/HtmlSanitizer.Policy.html" title="interface in org.owasp.html">HtmlSanitizer.Policy</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/owasp/html/PolicyFactory.html#apply(org.owasp.html.HtmlStreamEventReceiver)">apply</A></B>(<A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A>&nbsp;out)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Produces a sanitizer that emits tokens to <code>out</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE>&lt;CTX&gt; <A HREF="../../../org/owasp/html/HtmlSanitizer.Policy.html" title="interface in org.owasp.html">HtmlSanitizer.Policy</A></CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/owasp/html/PolicyFactory.html#apply(org.owasp.html.HtmlStreamEventReceiver, org.owasp.html.HtmlChangeListener, CTX)">apply</A></B>(<A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A>&nbsp;out,
           <A HREF="../../../org/owasp/html/HtmlChangeListener.html" title="interface in org.owasp.html">HtmlChangeListener</A>&lt;CTX&gt;&nbsp;listener,
           CTX&nbsp;context)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Produces a sanitizer that emits tokens to <code>out</code> and that notifies
 any <code>listener</code> of any dropped tags and attributes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/owasp/html/PolicyFactory.html#sanitize(java.lang.String)">sanitize</A></B>(java.lang.String&nbsp;html)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A convenience function that sanitizes a string of HTML.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE>&lt;CTX&gt; java.lang.String</CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/owasp/html/PolicyFactory.html#sanitize(java.lang.String, org.owasp.html.HtmlChangeListener, CTX)">sanitize</A></B>(java.lang.String&nbsp;html,
                 <A HREF="../../../org/owasp/html/HtmlChangeListener.html" title="interface in org.owasp.html">HtmlChangeListener</A>&lt;CTX&gt;&nbsp;listener,
                 CTX&nbsp;context)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A convenience function that sanitizes a string of HTML and reports
 the names of rejected element and attributes to listener.</TD>
</TR>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<TH ALIGN="left"><B>Methods inherited from interface com.google.common.base.Function</B></TH>
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<TD><CODE>equals</CODE></TD>
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&nbsp;
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<B>Method Detail</B></FONT></TH>
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<A NAME="apply(org.owasp.html.HtmlStreamEventReceiver)"><!-- --></A><H3>
apply</H3>
<PRE>
public <A HREF="../../../org/owasp/html/HtmlSanitizer.Policy.html" title="interface in org.owasp.html">HtmlSanitizer.Policy</A> <A HREF="../../../src-html/org/owasp/html/PolicyFactory.html#line.70"><B>apply</B></A>(<FONT SIZE="-1">@Nonnull</FONT>
                                  <A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A>&nbsp;out)</PRE>
<DL>
<DD>Produces a sanitizer that emits tokens to <code>out</code>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>apply</CODE> in interface <CODE>com.google.common.base.Function&lt;<A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A>,<A HREF="../../../org/owasp/html/HtmlSanitizer.Policy.html" title="interface in org.owasp.html">HtmlSanitizer.Policy</A>&gt;</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="apply(org.owasp.html.HtmlStreamEventReceiver,org.owasp.html.HtmlChangeListener,java.lang.Object)"><!-- --></A><A NAME="apply(org.owasp.html.HtmlStreamEventReceiver, org.owasp.html.HtmlChangeListener, CTX)"><!-- --></A><H3>
apply</H3>
<PRE>
public &lt;CTX&gt; <A HREF="../../../org/owasp/html/HtmlSanitizer.Policy.html" title="interface in org.owasp.html">HtmlSanitizer.Policy</A> <A HREF="../../../src-html/org/owasp/html/PolicyFactory.html#line.86"><B>apply</B></A>(<A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A>&nbsp;out,
                                        <FONT SIZE="-1">@Nullable</FONT>
                                        <A HREF="../../../org/owasp/html/HtmlChangeListener.html" title="interface in org.owasp.html">HtmlChangeListener</A>&lt;CTX&gt;&nbsp;listener,
                                        <FONT SIZE="-1">@Nullable</FONT>
                                        CTX&nbsp;context)</PRE>
<DL>
<DD>Produces a sanitizer that emits tokens to <code>out</code> and that notifies
 any <code>listener</code> of any dropped tags and attributes.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>out</CODE> - a renderer that receives approved tokens only.<DD><CODE>listener</CODE> - if non-null, receives notifications of tags and attributes
     that were rejected by the policy.  This may tie into intrusion
     detection systems.<DD><CODE>context</CODE> - if <code>(listener != null)</code> then the context value passed
     with notifications.  This can be used to let the listener know from
     which connection or request the questionable HTML was received.</DL>
</DD>
</DL>
<HR>

<A NAME="sanitize(java.lang.String)"><!-- --></A><H3>
sanitize</H3>
<PRE>
public java.lang.String <A HREF="../../../src-html/org/owasp/html/PolicyFactory.html#line.100"><B>sanitize</B></A>(<FONT SIZE="-1">@Nullable</FONT>
                                 java.lang.String&nbsp;html)</PRE>
<DL>
<DD>A convenience function that sanitizes a string of HTML.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="sanitize(java.lang.String,org.owasp.html.HtmlChangeListener,java.lang.Object)"><!-- --></A><A NAME="sanitize(java.lang.String, org.owasp.html.HtmlChangeListener, CTX)"><!-- --></A><H3>
sanitize</H3>
<PRE>
public &lt;CTX&gt; java.lang.String <A HREF="../../../src-html/org/owasp/html/PolicyFactory.html#line.116"><B>sanitize</B></A>(<FONT SIZE="-1">@Nullable</FONT>
                                       java.lang.String&nbsp;html,
                                       <FONT SIZE="-1">@Nullable</FONT>
                                       <A HREF="../../../org/owasp/html/HtmlChangeListener.html" title="interface in org.owasp.html">HtmlChangeListener</A>&lt;CTX&gt;&nbsp;listener,
                                       <FONT SIZE="-1">@Nullable</FONT>
                                       CTX&nbsp;context)</PRE>
<DL>
<DD>A convenience function that sanitizes a string of HTML and reports
 the names of rejected element and attributes to listener.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>html</CODE> - the string of HTML to sanitize.<DD><CODE>listener</CODE> - if non-null, receives notifications of tags and attributes
     that were rejected by the policy.  This may tie into intrusion
     detection systems.<DD><CODE>context</CODE> - if <code>(listener != null)</code> then the context value passed
     with notifications.  This can be used to let the listener know from
     which connection or request the questionable HTML was received.
<DT><B>Returns:</B><DD>a string of HTML that complies with this factory's policy.</DL>
</DD>
</DL>
<HR>

<A NAME="and(org.owasp.html.PolicyFactory)"><!-- --></A><H3>
and</H3>
<PRE>
public <A HREF="../../../org/owasp/html/PolicyFactory.html" title="class in org.owasp.html">PolicyFactory</A> <A HREF="../../../src-html/org/owasp/html/PolicyFactory.html#line.133"><B>and</B></A>(<A HREF="../../../org/owasp/html/PolicyFactory.html" title="class in org.owasp.html">PolicyFactory</A>&nbsp;f)</PRE>
<DL>
<DD>Produces a factory that allows the union of the grants, and intersects
 policies where they overlap on a particular granted attribute or element
 name.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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